(a) Where do the signals for parturition originate from in humans?
(b) Why is it important to feed the newborn babies on colostrums?

Solution

(a) The signals for parturition originate from the fully developed fetus and the placenta which induce mild uterine contractions called foetal ejection reflex. This triggers release of oxytocin (birth hormone) from the maternal pituitary gland.

(b) The yellowish fluid colostrum secreted by mother during the initial days of lactation has abundant antibodies (IgA) that protects the infant or new born babies and develops resistance in them.

Some More Questions From Human Reproduction Chapter

The process of differentiation of spermatid into a spermatozoa is known as :

Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces :

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Human Reproduction

(a) Where do the signals for parturition originate from in humans?
(b) Why is it important to feed the newborn babies on colostrums?

Some More Questions From Human Reproduction Chapter

The process of differentiation of spermatid into a spermatozoa is known as :

Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces :

Ovulation takes place :

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

The male reproductive system is located in the body, in the :

Sertoli cells provide :

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Human Reproduction

(a) Where do the signals for parturition originate from in humans? (b) Why is it important to feed the newborn babies on colostrums?

Some More Questions From Human Reproduction Chapter

The process of differentiation of spermatid into a spermatozoa is known as :

Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces :

Ovulation takes place :

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

The male reproductive system is located in the body, in the :

Sertoli cells provide :

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

(a) Where do the signals for parturition originate from in humans?
(b) Why is it important to feed the newborn babies on colostrums?